Power battery pack assembly structure of all-electric vehicle

Abstract

The invention discloses a power battery pack assembly structure of an all-electric vehicle. The power battery pack assembly structure comprises a shell; the outer side at the bottom of the shell is symmetrically provided with a battery pack fixing structure connected with a vehicle body floor board; the front part of the shell is positioned below the middle part of a front floor board; the middle part of the shell is positioned below a middle channel of the front floor board; the rear part of the shell is positioned below a middle floor board; the inner side at the bottom of the shell is provided with a battery cooling system; a front battery module is arranged at the front part above the battery cooling system; a rear batter module is arranged at the rear part above the battery cooling system; the front battery module and the rear battery module are respectively provided with battery module fixing structures connected with the battery pack fixing structure; and a battery management unit is arranged between the front battery module and the rear battery module. According to the invention, after a fuel oil tank is not installed on the electric vehicle, available spaces below a rear seat and below a front seat can be utilized fully, and the requirements on ground clearances of a riding space and a battery pack are met. The power battery pack assembly structure provided by the invention is reasonable in structural arrangement, extremely firm in fixation, and convenient to mount and dismount.

Description

technical field [0001] The invention relates to the battery technology of an electric vehicle, in particular to a pure electric vehicle power battery pack assembly structure. Background technique [0002] With the intensification of the energy and environmental crisis, it is particularly necessary to study an energy-saving and environmentally friendly vehicle that can relieve energy pressure and reduce environmental pollution. Therefore, pure electric vehicles have emerged as the times require. There are many parts in traditional automobiles, and the space for installing the power battery is very limited without greatly changing the body structure. Some pure electric vehicles put the power battery pack in the front cabin or in the trunk. The load on the front or rear axle of the car is too high, resulting in uneven distribution of the front and rear axles. Due to the characteristics of large weight, large volume, and high temperature of the battery pack, at present, the pow...

AI Technical Summary

Problems solved by technology

There are many parts in traditional automobiles, and the space for installing the power battery is very limited without greatly changing the body structure. Some pure electric vehicles put the power battery pack in the front cabin or in the trunk. The load on the front or rear axle of the car is too high, resulting in uneven distribution of the front and rear axles

Due to the characteristics of large weight, large volume, and high temperature of the battery pack, at present, the power battery packs of pure electric vehicles are mostly arranged under the body floor, but how to arrange the numerous and scattered battery cells, as well as the structure of the battery pack, the body floor structure and How to design the battery fixed point structure is a technical problem; in addition, the battery is arranged under the floor, it is difficult to take into account the seating space and ground clearance at the same time, the battery pack space is too large to be fully utilized, and the battery cells are too diverse , It is difficult to fix the module, it is difficult to cool the battery, and it is difficult to seal the battery pack

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